fire protection codes for wastewater and collection facilities morrison maierle

Fire Protection Measures for Wastewater and Collection Facilities By Brian Literski, PE Whether during design or while making operational upgrades, wastewater and collection facilities—like other types of infrastructure—need to be regularly evaluated and kept up to date to avoid potential hazards. One of the standards that frequently raises questions involves fire protection measures and how to make sure facilities have compliant systems in place. Helpful Tools The National Fire Protection Association (NFPA) and the National Electric Code (NEC) provide several means and methods to use during design and upgrade projects for wastewater and collection facilities. Access NFPA’s information here and NEC’s subscription information can beRead More →

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power distribution system choices

Power Distribution in Your Building: How To Differentiate Distribution Configurations By Brian McDivitt, PE – Building power distributions are based on what electrical service the local utility company provides. In the United States, building power distributions are categorized in three main configurations. The first distinction is between single-phase and three-phase, with three-phase further distinguished as wye (Y) or delta (Δ). Editor’s Note: This is the second in a three-part series on power distribution systems. Read part one and part three. As described under Part 1, voltage is measured as line-to-line (VLL) or line-to-neutral (VLN). These designations will be used here. Single-Phase Most single-family residences andRead More →

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